Alert archive / Michigan / Tornado Warnings in 1986
Tornado Warning 2, NWS Marquette, MI
NWS Marquette, MI issued this tornado warning at Jul 4, 1986, 9:00 PM EDT for Delta County, Michigan. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Jul 4, 1986, 9:00 PM EDT (01:00 UTC)
- Expired
- Jul 4, 1986, 10:00 PM EDT
- In force
- 60 min
- Issued by
- NWS Marquette, MI
- Area
- Whole counties
County Delta County, MI
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.0 hours before the alert went out and 175 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 2385 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 1275 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 7.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMQT 050100 TORMQT MIC043-109-041-050200- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MARQUETTE MI 900 PM EDT FRI JUL 4 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 1000 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF SOUTH CENTRAL UPPER MICHIGAN...DICKINSON...MENOMINEE AND DELTA AT 848PM EDT A TORNADO WAS REPORTED BY THE PUBLIC IN NIAGRA WISCONSIN..45 MILES WEST OF ESCANABA MICHIGAN MOVING TO THE EAST AT 30 MPH. IF YOU ARE IN THE PATH OF THIS TORNADO..GO TO A BASEMENT SHELTER IF AVAILABLE. OTHERWISE GO TO A CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR. DO NOT STAY IN A CAR OR MOBILE HOME..FIND A REI#NFORCED SHELTER OR LIE FLAT IN A DITCH OR RAVINE. REPORT ALL SEVERE WEATHER SIGHTINGS TO YOUR NEAREST LAW ENFORCEMENT AGENCY AND ASK THEM TO RELAY IT TO THE NATIONAL WEATHER SERVICE. TJE.
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jul 4, 7:49 PM EDT, 1 hour 11 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MARQUETTE MI 740 PM EDT FRI JUL 4 1986 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 2AM EDT FOR SOUTHERN PART OF MICHIGANS UPPER PENINSULA... THE SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING UPPER MICHIGAN COUNTIES HAS EXPIRED..SOUTHERN MARQUETTE..NORTHERN MENOMINEE..AND DELTA. AS OF 740 PM EDT.. NO SEVERE WEATHER WAS REPORTED IN THOSE COUNTIES. AT 733PM EDT RADAR SHOWED A WIDELY SCATTERED AREA OF THUNDERSTORMS STREATCHING FROM NORTHCENTRAL WISCONSIN THROUGH SOUTHERN UPPER MICHIGAN. THE HEAVIEST STORMS WERE 50 MILES WEST OF ESCANABA AND ABOUT 90 MILES WEST OF ESCANABA. ALL STORMS WERE MOVING TO THE EAST AT 40 MIL^ES AN HOUR. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN OR NEAR THE WATCH AREA. EGGER
The office that day
Everything else NWS Marquette, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 8:30 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson, Menominee | 60 min |
| Jul 4, 8:30 PM EDT | Severe Thunderstorm Warning | MQT | Delta | 60 min |
| Jul 4, 9:00 PM EDT | Tornado Warning | MQT | Dickinson, Menominee | 60 min |
| Jul 4, 10:04 PM EDT | Tornado Warning | MQT | Delta, Menominee | 26 min |
| Jul 4, 10:28 PM EDT | Severe Thunderstorm Warning | MQT | Alger, Schoolcraft | 62 min |
| Jul 4, 10:58 PM EDT | Severe Thunderstorm Warning | MQT | Delta, Menominee | 62 min |
| Jul 4, 11:27 PM EDT | Severe Thunderstorm Warning | MQT | Alger, Marquette | 63 min |
| Jul 4, 11:27 PM EDT | Severe Thunderstorm Warning | MQT | Schoolcraft | 63 min |
Nearby
Tornado Warnings in Michigan, 1986Every tornado warning in 1986Tornadoes in 1986
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.